wiring one McBsp to one codec (AIC23)

Started by iewil2000 in TMS320c55x14 years ago 1 reply

Dear list, I am trying to make a circuit board with 2 codecs, I have two McBsps available for this purpose. I studied the schematics of...

Dear list, I am trying to make a circuit board with 2 codecs, I have two McBsps available for this purpose. I studied the schematics of 6713 DSK, Spectrum uses two McBsps for one AIC23, McBsp 1 for control interface to set up the AIC23, McBsp 2 for audio interface for exchanging digital audio. My problem becomes how to connect one AIC23 t


AIC23 Codec for c5502

Started by andrewpasquale in TMS320c55x16 years ago

Hello all, Has anybody been able to use an aic23 codec with the c5502? I cannont find any example code or driver to make using...

Hello all, Has anybody been able to use an aic23 codec with the c5502? I cannont find any example code or driver to make using them together a simple process, (the 5510DSK we have comes with example code but it is made for the 5510 and the data converter plugin 3.2 does not pro


AIC23 codec

Started by genesisleo in TMS320c55x14 years ago 1 reply

Hi, I understand that the c5510 DSK uses a AIC23 stereo codec for input and output of audio signals. However if instead...

Hi, I understand that the c5510 DSK uses a AIC23 stereo codec for input and output of audio signals. However if instead of feeding an analog input signal, can I feed in an array of digital inputs from the processor to the codec so that it can be converted into an


Problem in AIC23 codec

Started by Mohamed Youssef Wassal in TMS320c55x12 years ago 1 reply

hi all i have an inquiry concerning AIC23 codec attached to the kit (TMS320VC5509A DSK)......i have made a code to take samples from the mic...

hi all i have an inquiry concerning AIC23 codec attached to the kit (TMS320VC5509A DSK)......i have made a code to take samples from the mic and save them then reading them in order to hear any voice but the problem is that i heared just a tone !!!! no speech was heared so any one knows what is the problem here ?! thanks in advance and good luck to you all.... MoHaMeD WaSsAl


AIC23 audio codec

Started by Meenakshi Matai in TMS320c55x14 years ago 9 replies

Hello, I want to confirm that the AIC23 audio codec has a sampling resolution of only 16 bits. It is capable of...

Hello, I want to confirm that the AIC23 audio codec has a sampling resolution of only 16 bits. It is capable of 16,20,24,32 -bit data transfer rate, but the sampling resolution is only 16 bits. I do not see anything clearly mentioned on the spec provided by TI.


Re: Audio codec AIC23 on DSK5510 board

Started by lsim...@safeflight.com in TMS320c55x12 years ago

Meenkashi, I think I am running into a similar issue as you in the AIC23 codec, although I am using the C6713. There is indeed an AC coupling...

Meenkashi, I think I am running into a similar issue as you in the AIC23 codec, although I am using the C6713. There is indeed an AC coupling cap between the line in and codec (if the audio port is of similar structure to the 6713). This will prevent any DC signal from passing through. However, I have tried bypassing (short circuiting) the cap and AC coupling-esqe effects still appear when I...


Re: DSK5510 codec reads only one channel while receiving data from the DSP

Started by Aditi Akula in TMS320c55x9 years ago 2 replies

Brian, The AIC23 generates one framesync every sample (16-bit left channel followed by 16-bit right channel) to Tx data. And also expects the...

Brian, The AIC23 generates one framesync every sample (16-bit left channel followed by 16-bit right channel) to Tx data. And also expects the same on Rx. Kindly refer the datasheet for the AIC23 codec. The codec is in Master mode, and so it only generates the Frame Sync pulse for Tx and Rx. Regards, Aditi.


AIC23 without DSP/BIOS, is it Possible?

Started by ahma...@yahoo.com in TMS320c55x11 years ago 3 replies

Dear All; I have bought DSK5510A and now I want to use aic23 codec without DSP/BIOS. I converted "dsp_app1" to a DSP/BIOS less project. But it...

Dear All; I have bought DSK5510A and now I want to use aic23 codec without DSP/BIOS. I converted "dsp_app1" to a DSP/BIOS less project. But it doesn't work. How can I start codec in my code; Is it enough to open it by codec_open from BSL library? I set and open MCBSP1 and 2 and DMA channels based on dsp_app1 but I don't know how can I configure and start data transferring by MCBSP2. Would you...


Working code for 5502?

Started by andrewpasquale in TMS320c55x15 years ago 1 reply

Hello all, Does anybody have plain, basic code (like register settings) to get a c5502 working with flash memory, or with a codec?...

Hello all, Does anybody have plain, basic code (like register settings) to get a c5502 working with flash memory, or with a codec? (eg aic23) I cant seem to get either of them to work at all, despite weeks of effort, and would be very grateful for anything which might help.


EMIF for 5510DSK

Started by ahma...@yahoo.com in TMS320c55x11 years ago 1 reply

hi; When I set dma for receive and transmit channels and program the audio codec registers for aic23 on DSK5510 its emif works(I can write and...

hi; When I set dma for receive and transmit channels and program the audio codec registers for aic23 on DSK5510 its emif works(I can write and read from 0x550000 and see CE0 pules on oscope) but when I don't set them EMIF doesn't work. Do you know why? sincerely


Stereo mode operation

Started by simha j in TMS320c55x16 years ago

Dear experts, The AIC23 Audio codec on the TI DSKs and EVMs can take stereo mic i/ps. In the block diagram of the codec it ...

Dear experts, The AIC23 Audio codec on the TI DSKs and EVMs can take stereo mic i/ps. In the block diagram of the codec it is shown that the output of the Leftchannel ADC and the Right channel ADC are connected to a Digital filter and the only filter o/p, Dout is


HWI for "DSK5510_AIC23_read16" for 5510

Started by andrewpasquale in TMS320c55x16 years ago

Hello All, I am trying to set a thread that is activated by the AIC23 codec connected to the McBSP2 telling the DSP that an audio...

Hello All, I am trying to set a thread that is activated by the AIC23 codec connected to the McBSP2 telling the DSP that an audio sample is ready to be read. In C the port is normally read by using "while(!DSK5510_AIC23_read16(hCodec, &Sample));" Does


McBSP in SPI Mode for the TLV320AIC23B Codec

Started by clar...@gmail.com in TMS320c55x13 years ago 1 reply

Hi All, I'm trying to understand how the McBSP1 (AIC23 Control) is set up for SPI mode in CCS example project dsk_app2.pjt. In this...

Hi All, I'm trying to understand how the McBSP1 (AIC23 Control) is set up for SPI mode in CCS example project dsk_app2.pjt. In this 3-wire configuration the sample rate generator takes the CPU clock (200MHz) and divides it by 100 to get a master SPI clock of 2MHz. To obtain the frame-sync signal, the 2 MHz signal is divided by 20 and has pulse duration of 1 CLKX cycle.


Audio codec AIC23 on DSK5510 board

Started by Meenakshi Matai in TMS320c55x14 years ago 1 reply

Hello, I am working on the DSK5510 board that has the AIC23b audio codec. When I do a simple audio loopback, I see that there is...

Hello, I am working on the DSK5510 board that has the AIC23b audio codec. When I do a simple audio loopback, I see that there is attenuation at the output below 400Hz. The audio output seems to be at a stable maximum value beyond 400Hz. But, between 1Hz to 400Hz, there is a roll-off. Has anybody seen this before? Is this high-pass effect being introduced


DSK5510 codec reads only one channel while receiving data from the DSP

Started by Aditi Akula in TMS320c55x9 years ago 1 reply

Hi, I am working an a DSK5510 board and I have this problem with the codec. The codec (AIC23) sends 2 words of data per sample (one 16-bit...

Hi, I am working an a DSK5510 board and I have this problem with the codec. The codec (AIC23) sends 2 words of data per sample (one 16-bit left channel followed by 16-bit right channel in DSP mode). So, I have configured my McBSP2 to handle 1 frame of 32-bit data (entries to the RCR1 and XCR1 register on McBSP2 are 0x00a0). This is what I do on the receive side of the McBSP2 to read 32...